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R-MAGIC Super High Temp Racing Brake Fluid for Mazda RX8 (Series 1 & 2, 2003-2012)

Keep pedal feel firm and consistent under hard braking with a wet boiling point of 237°C, well above standard DOT4 fluid.

RX8 high temperature brake fluid bottle beside red Mazda wheel and tyre

$120

RX8 high temperature brake fluid from R-MAGIC is the Racing Energy Super DOT4 formulation, built for drivers who regularly push their braking system hard. Repeated heavy stops generate rapid heat in the brake lines and callipers. Standard fluid boils before a track session ends.

Boiling fluid creates vapour bubbles that destroy pedal pressure, a condition known as brake fade. This fluid’s verified wet boiling point of 237°C keeps that from happening.

RX8 High Temperature Brake Fluid Features

  • Wet boiling point of 237°C is verified first-hand and well above comparable motorsport fluids. That margin keeps vapour lock off the table even after successive hard stops.
  • Brake fluid absorbs moisture over time. That is why wet boiling point, measured at 3.7% water content, is the number that matters in real-world use, not the dry figure on a fresh bottle.
  • R-MAGIC specifically recommends this fluid for the RX8 clutch hydraulic circuit too. That circuit shares the same fluid type and suffers similar fade under spirited driving.
  • Suits all Mazda RX8 Series 1 and Series 2 models across the full production run, with no modification or adaptor required.
  • Finally, replacing old or unknown-history fluid before a track day restores known system condition, removing one variable before you need the brakes to perform.

For RX8 enthusiasts, the benefit is clearest mid-session. The pedal stays firm and consistent lap after lap. It will not go long and soft as heat soaks through the system. That is precisely what RX8 high temperature brake fluid is engineered to prevent, whether you are on track or pushing hard on a back road.

Pair this fluid with the CUSCO Strut Brace Type OS (Front) with Brake Cylinder Stopper, which reduces brake master-cylinder flex for a more direct pedal feel. The AUTOEXE Brake Fluid Cap seals the reservoir with a quality replacement cover and completes the job neatly. For full product details and manufacturer background, visit R-MAGIC directly.

Additional information

RX8 Model

,

Colour

SKU RM-BFL-S1S2 Category Types , Brand:

Related RX8 Upgrades

This racing brake fluid is one of the best Mazda RX-8 upgrades you can make to your Series 1 (2003-2008) or Series 2 (2009-2012). Brake fluid performance upgrades are among the top Aftermarket mods you can buy from R-MAGIC for owners who want better performance and reliability from their RX8. If you are looking for racing brake fluid for sale in Brisbane (QLD), Sydney (NSW), Melbourne (VIC), Canberra (ACT), Adelaide (SA), Darwin (NT) or Perth (WA), you’ll find high-quality Japanese Braking upgrades at RX8 Upgrades.

Frequently Asked Questions

Will this brake fluid fit both Series 1 and Series 2 RX8 models?

Yes. R-MAGIC Super High Temp Racing Brake Fluid suits the full Mazda RX8 production run, covering Series 1 (2003-2008) and Series 2 (2009-2012) models without any modification required.

Why does an RX8 need high temperature brake fluid for track use?

Repeated hard braking builds heat rapidly in the brake system. Standard fluid can boil under that load, causing the pedal to go long and soft. A racing-grade formulation with a raised boiling point keeps pedal response predictable lap after lap, which is the core job of this fluid.

What is brake fade and will this fluid help with it?

Brake fade occurs when fluid boils inside the callipers, creating vapour bubbles that compress under pedal pressure instead of transmitting force. R-MAGIC Super High Temp Racing Brake Fluid is formulated to resist this by raising the effective boiling point, keeping pedal feel consistent through successive hard stops.

Is this fluid only for track days, or is it suitable for spirited road driving too?

It is purpose-formulated for both track days and spirited road driving. Any driving style that involves repeated heavy braking benefits from the fluid's heat resistance and consistent pedal feel.

How often should brake fluid be replaced on an RX8 used for track driving?

Brake fluid absorbs moisture over time, which lowers its boiling point. For track use, replacing fluid before each season or major event is a common practice. Replacing aged or unknown-history fluid with a fresh racing-grade fluid ensures known condition heading into a performance event.

What other brake upgrades pair well with high temperature brake fluid on an RX8?

The CUSCO Strut Brace with Brake Cylinder Stopper reduces brake master-cylinder flex, which complements the fluid by delivering a more direct pedal feel. An AUTOEXE Brake Fluid Cap finishes the reservoir refresh with a quality replacement cover.

Who makes this brake fluid and is R-MAGIC a reputable brand?

R-MAGIC is a respected Japanese performance specialist with a broader range of rotary-focused upgrades. This fluid sits within that dedicated rotary performance catalogue, developed for drivers who push the RX8's brake system hard.